AIPMT 2009 | NEET Year Wise Previous Years Questions

Biology

Chemistry

1. Out of TiF62$$-$$, CoF63$$-$$, Cu2Cl2 and NiCl42$$-$$ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species 2. Which of the following is not permissible arrangement of electrons in an atom ? 3. For the reaction, N2 + 3H2 $$ \to $$ 2NH3, if $${{d\left[ {N{H_3}} \right]} \over {dt}}$$ = 2 $$ \times $$ 10$$-$$4 mol 4. Propionic acid with Br2/P yields a dibromo product. Its structure would be 5. Which of the following hormones contains iodine? 6. Predict the product. 7. Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc. H2SO4. In the mixture, nitric acid 8. The segment of DNA which acts as the instrumental manual for the synthesis of the protein is 9. A 0.0020 m aqueous solution of an ionic compound [Co(NH3)5(NO2)]Cl freezes at $$-$$ 0.00732oC. Number of moles of ions w 10. Given : (i)   Cu2+ + 2e$$-$$ $$ \to $$ Cu,  Eo = 0.337 V (ii)  Cu2+ + e$$-$$ $$ \to $$ Cu 11. The equivalent conductance of M/32 solution of a weak monobasic acid is 8.0 mho cm2 and at infinite dilution is 400 mho 12. Half-life period of a first order reaction is 1386 seconds. The specific rate constant of the reaction is 13. In the reaction, BrO$$_{3(aq)}^ - $$ + 5Br$$_{(aq)}^ - $$ + 6H+ $$ \to $$ 3Br2(l) + 3H2O(l). The rate of appearan 14. For the reaction A + B $$ \to $$ products, it is observed that (i)  on doubling the initial concentration of A 15. Al2O3 is reduced by electrolysis at low potentials and high currents. If 4.0 $$ \times $$ 104 amperes of current is pass 16. Among the following which is the strongest oxidising agent? 17. The straight chain polymer is formed by 18. The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence 19. Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation st 20. Which of the following does not show optical isomerism? (en = ethylenediamine) 21. Which of the following complex ions is expected to absorb visible light? (At. nos. Zn = 30, Sc = 21, Ti = 22, Cr = 24) 22. The dissociation constants for acetic acid and HCN at 25oC are 1.5 $$ \times $$ 10$$-$$5 and 4.5 $$ \times $$ 10$$-$$ 23. Maximum number of electrons in a subshell of an atom is determined by the following 24. 10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reacti 25. Amongst the elements with following electronic configurations, which one of them may have the highest ionisation energy 26. What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas? 27. In which of the following molecules/ions BF3, NO$$_2^ - $$, NH$$_2^ - $$ and H2O, the central atom is sp2 hybridised? 28. According to MO theory which of the lists ranks the nitrogen species in terms of increasing bond order ? 29. The values of $$\Delta $$H and $$\Delta $$S for the reaction, C(graphite) + CO2(g) $$ \to $$  2CO(g) are 170 30. From the following bond energies : H $$-$$ H bond energy   : 431.37 kJ mol$$-$$1 C $$=$$ C bond ene 31. What is the [OH$$-$$] in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10 M Ba(OH)2? 32. The ionization constant of ammonium hydroxide is 1.77 $$ \times $$ 10$$-$$5 at 298 K. Hydrolysis constant of ammonium ch 33. Which of the following molecules acts as a Lewis acid? 34. The IUPAC name of the compound having the formula CH$$ \equiv $$C$$-$$CH$$=$$CH2 is 35. The state of hybridisation of C2, C3, C5 and C6 of the hydrocarbon, is in the following sequence 36. Which of the following compounds will exhibit cis-trans (geometrical) isomerism? 37. Benzene reacts with CH3Cl in the presence of anhydrons AlCl3 to form 38. HOCH2CH2OH on heating with periodic acid gives 39. Consider the following reaction : the product Z is 40. Which of the following reactions is an example of nucleophilic substitution reaction? 41. Consider the following reaction : the product Z is 42. Oxidation numbers of P in PO$$_4^{3 - }$$, of S in SO$$_4^{2 - }$$ and that of Cr in Cr2O$$_7^{2 - }$$ are respectively 43. Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces

Physics

1. A conducting circular loop is placed in a uniform magnetic field 0.04 T with its plane perpendicular to the magnetic fie 2. If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is 3. Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown vo 4. Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R. 5. Three concentric spherical shells have radii a, b and c (a < b < c) anf have surface charge densities $$\sigma $$, 6. The electric potential at a point (x, y, z) is given by V = $$-$$x2y $$-$$ xz3 + 4 The electric field at that point is 7. A galvanometer havings a coil resistance of 60 $$\Omega $$ shows full scale deflection when a current of 1.0 amp passes 8. A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm. The resistance between its two 9. The magnetic force acting on a charged particle of charge $$-$$2 $$\mu $$C in a magnetic frield of 2 T acting in y direc 10. A student measures the terminal potential difference (V) of a cell (of emf $$\varepsilon $$ and internal resistance r) a 11. Power dissipated in an LCR series circuit connected to an A.C. source of emf $$\varepsilon $$ is 12. The electric field part of an electromagnetic wave in a medium is represented by Ex = 0; $${E_y} = 2.5{N \over C}\cos \l 13. A rectangular, a square, a circular and an elliptical loop, all in the (x-y) plane, are moving out of a uniform magnetic 14. The mean free path of electrons in a metal is 4 $$ \times $$ 10$$-$$8 m. The electric field which can give on an average 15. The figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiat 16. Monochromatic light of wavelength 667 nm is produced by a helium neon laser. The power emitted is 9 mW. The number of ph 17. The number of photo electrons emitted for light of a frequency $$\upsilon $$ (higher than the threshold frequency $${\up 18. A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength 19. In a Rutherford scattering experiment when a projectile of charge z1 and mass M1 approaches a target nucleus of charge z 20. Sodium has body centred packing. Distance between two nearest atoms is 3.7 $$\mathop A\limits^ \circ $$. The lattice p 21. The symbolic representation of four logic gates are given below The logic symbols for OR, NOT and NAND gates are respec 22. The ionization energy of the electron in the hydrogen atom in its ground state is 13.6 eV. The atoms are excited to high 23. The two ends of a rod of length L and a uniform cross-sectional area A are Kept at two temperatures T1 and T2 (T1 > T 24. A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 seconds 25. If the dimensions of a physical quantity are given by MaLbTc, then the physical quantity will be 26. A body, under the action of a force $$\overrightarrow F = 6\widehat i - 8\widehat j + 10\widehat k,$$ acquires an acce 27. The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is : 28. A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a 29. A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force con 30. An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two are, 1 kg first pa 31. A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily comes to rest after attaining a height of 1 32. Two bodies of mass 1 kg and 3 kg have position vectors $$\widehat i + 2\widehat j + \widehat k$$ and $$ - 3\widehat i - 33. An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit le 34. Four identical thin rods each of mass M and length $$l$$, form a square frame. Moment of inertia of this frame about an 35. If $$\overrightarrow F $$ is the force acting on a particle having position vector $$\overrightarrow r $$ and $$\overrig 36. A black body at 227oC radiates heat at the rate of 7 cals/cm2s. At a temperature of 727oC, the rate of heat radiated in 37. The figure shows elliptical orbit of a planet m about the sun S. The shaded area SCD is twice the shaded area SAB. If t1 38. The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is 39. In thermodynamic processes which of the following statements is not true ? 40. Which one of the following equations of motion represents simple harmonic motion ? where k, k0, k1 and a are all positi 41. Each of the two strings of length 51.6 cm and 49.1 cm are tensioned separately by 20 N force. Mass per unit length of bo 42. A wave in a string has an amplitude of 2 cm. The wave travels in the +ve direction of x axis with a speed of 128 m/s. an 43. A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of the pe 44. A bar magnet having a magnetic moment of 2 $$ \times $$ 104 J T$$-$$1 is free to rotate in a horizontal plane. A horizon 45. See the electrical circuit shown in this figure. Which of the following equations is a correct equation for it ? 46. A bus is moving with a speed of 10 ms$$-$$1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the

AIPMT 2009

MCQ (Single Correct Answer)

-1

A black body at 227^oC radiates heat at the rate of 7 cals/cm²s. At a temperature of 727^oC, the rate of heat radiated in the same units will be

112

AIPMT 2009

MCQ (Single Correct Answer)

-1

The figure shows elliptical orbit of a planet m about the sun S. The shaded area SCD is twice the shaded area SAB. If t₁ is the time for the planet to move from C to D and t₂ is the time to move from A to B then

AIPMT 2009 Physics - Gravitation Question 35 English

AIPMT 2009 Physics - Gravitation Question 35 English

t₁ = 4t₂

t₁ = 2t₂

t₁ = t₂

t₁ > t₂

AIPMT 2009

MCQ (Single Correct Answer)

-1

The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is

6400 J

5400 J

7900 J

8900 J

AIPMT 2009

MCQ (Single Correct Answer)

-1

In thermodynamic processes which of the following statements is not true ?

In an isochoric process pressure remains constant.

In an isothermal process the temperature remains constant.

In an adiabatic process PV^{$$\gamma $$} = constant.

In an adiabatic process the system is insulated from the surroundings.

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